Finding the Fourth Proportional to 343,749.31, 474,379.10 and 190,797.31
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Solution
The fourth proportional to 343,749.31, 474,379.10 and 190,797.31 is: 263,303.09
Step by Step Solution
- Step 1: Write the proportion equation
343,749.31 : 474,379.10 = 190,797.31 : x - Step 2: Convert to fraction form
343,749.31/474,379.10 = 190,797.31/x - Step 3: Cross multiply
343,749.31x = 474,379.10 × 190,797.31 - Step 4: Simplify right side
343,749.31x = 90,510,256,554.70 - Step 5: Solve for x
x = 90,510,256,554.70/343,749.31 - Step 6: Final answer
x = 263,303.09
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.